DNA-Assisted β-phase Nucleation and Alignment of Molecular Dipoles in PVDF Film: A Realization of Self-Poled Bioinspired Flexible Polymer Nanogenerator for Portable Electronic Devices
作者： Abiral Tamang , Sujoy Kumar Ghosh , Samiran Garain , Md. Mehebub Alam , Jörg Haeberle
关键词: Electrode 、 Polymer 、 Energy conversion efficiency 、 Poling 、 Nanogenerator 、 Nucleation 、 Capacitor 、 Piezoelectricity 、 Materials science 、 Nanotechnology
摘要: A flexible nanogenerator (NG) is fabricated with a poly(vinylidene fluoride) (PVDF) film, where deoxyribonucleic acid (DNA) the agent for electroactive β-phase nucleation. Denatured DNA co-operating to align molecular −CH2/–CF2 dipoles of PVDF causing piezoelectricity without electrical poling. The NG capable harvesting energy from variety easily accessible mechanical stress such as human touch, machine vibration, football juggling, and walking. exhibits high piezoelectric conversion efficiency facilitating instant turn-on several green or blue light-emitting diodes. generated can be used charge capacitors providing wide scope design self-powered portable devices.
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